1 LED per channel for I/O state1 LED for CAN0 STS1 LED for MBS COM1 LED green/red for APP01 LED green/red for APP11 LED green/red for Eth NS (Ethernet network status)1 LED green/red for Eth ST (Ethernet status)1 LED green/red for RUN/MS (module status)1 LED green/red for USB host1 LED green/yellow for Eth LA (Ethernet activity)1 LED red for BATT (battery status)